" Wive an erample of a function which "

Find the number ways in which 3 men and their wives can be arranged in a line such that none of the three men stand in a position that is ahead of his wife.

Three newly wedded Three newly wedded couples are dancing at a function.If the partner is selected at random the chance that all the husbands are not dancing with their own wives is

Which of the following real valued functions is / are not even functions ?

Which of the following real valued functions is/are not even functions?

Which of the following real valued functions is/are not even functions

Which of the following functions is equivalent to thte function above ?

Which is not state function ?